Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tranh luan » trinh luan, trinh luat, doanh luan
luan ung » luan hung, luon ung, luan chung
ung cong » dung cong, luong cong, duong cong
cong van » cong vang, cong san, song van
van nang » van quang, van ban, van dong
nang ban » hang ban, nang quan, nang sang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) or (chieu sach)) - canh tranh luan ung cong van nang ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh tranh luan ung cong van nang ban*.